The Tasks page is divided into two windows Active and Completed. The Active page displays a list of outstanding tasks that are assigned to all users in a group or groups. The main purpose of the page is to display the list of tasks so that you can track the completion of tasks. The Completed page displays completed tasks.
A user with the Workflow Administrator role has access to all tasks.
The Tasks page available for the Workflow Administrator role is shown below:
You can see more information here: